mx.loopzfitness.com has no NS records.
NS records for this zone are defined at loopzfitness.com.
NS records for this zone are defined at loopzfitness.com.
Question and response
Question
dig mx.loopzfitness.com. NS
Answer
The response has no answer records.
Authority
loopzfitness.com. 3600 SOA dns.loopzfitness.com. hostmaster.loopzfitness.com. 1324931699 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0